Home / 288,867,052.62-398,602,901.81-161,714,693.61

Finding the Fourth Proportional to 288,867,052.62, 398,602,901.81 and 161,714,693.61

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Solution

The fourth proportional to 288,867,052.62, 398,602,901.81 and 161,714,693.61 is: 223,147,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,867,052.62 : 398,602,901.81 = 161,714,693.61 : x
  2. Step 2: Convert to fraction form
    288,867,052.62/398,602,901.81 = 161,714,693.61/x
  3. Step 3: Cross multiply
    288,867,052.62x = 398,602,901.81 × 161,714,693.61
  4. Step 4: Simplify right side
    288,867,052.62x = 64,459,946,138,665,360
  5. Step 5: Solve for x
    x = 64,459,946,138,665,360/288,867,052.62
  6. Step 6: Final answer
    x = 223,147,449.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.